Battle.net Mobile Authenticator Troubleshooting

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When using a Battle.net Authenticator or Mobile Authenticator, we strongly recommend you register for Battle.net SMS Protect. This free service will allow you to easily remove your Battle.net Authenticator using text message verification (SMS). For more information, see the Battle.net SMS Protect article or log in directly to the SMS Protect signup page.

How to Use the Battle.net Mobile Authenticator

Once the application has launched, the 8-digit authenticator code will generate. The progress bar under the code will show how long the code is active. When the progress bar completes, a new code will generate. You can close this screen by exiting the application or pressing the Menu button in the upper left corner of the screen.

Resync

If the Battle.net Mobile Authenticator code provided is not allowing you into the account, try toResyncthe authenticator.

In the application menu, select View Code.

In the bottom left corner, press the Resync icon. If this button is pressed while the first code is being generated, wait until the next code is generated before logging in.

Restore

If you've lost your phone or accidentally deleted the mobile authenticator application before removing it from your Battle.net Account, you can use the Restore feature to recover a previous version of the application. To take advantage of this feature, take these preemptive steps:

In the application menu, select Setup.

Select Continue.

Write down the Serial Number and Restore Code. Blizzard will never ask for your restore code.

If you need to Restore the application, follow these steps:

In the application menu, select Restore.

Select Restore - I want to perform a restoration.

Enter the previous serial number and restore code.

Select Submit.

Get New Serial Number

Review this section carefully. On rare occasions, resetting the authenticator may be necessary if you are unable to resync successfully.